import React, { useEffect, useState, Key } from "react";
import { Tree, Card, Row, Col, Tag, Pagination, Table, Button } from "antd";
import {
  hosDepartmentListRequest,
  hosScheduleRuleRequest,
  findScheduleListRequest,
} from "@api/hospital/hospitalList";
import type {
  hosDepartmentListType,
  bookingScheduleListType,
  findScheduleListType,
} from "@/api/hospital/model/hospitalListType";
import { useNavigate, useParams } from "react-router-dom";

export default function HospitalSchedule() {
  const { hoscode } = useParams();
  const navigate = useNavigate();

  //定义一个控制treeData的state
  const [treeData, setTreeData] = useState<hosDepartmentListType>([]);
  //定义一个时间排班规则的当前页码
  const [page, setPage] = useState(1);
  //定义一个时间排班规则的每页条数
  const [limit, setLimit] = useState(3);
  //定义当前科室的排班规则
  const [scheduleRule, setScheduleRule] = useState<bookingScheduleListType>([]);
  //定义当前科室的排班规则总条数
  const [total, setTotal] = useState(0);
  //定义表格的数据
  const [sourceData, setSourceData] = useState<findScheduleListType>([]);
  //1.定义一个请求科室列表的函数
  const getDepartmentList = async () => {
    const result = await hosDepartmentListRequest(hoscode as string);
    setTreeData(result);
    return result;
  };

  //2.定义一个请求科室排班的函数
  const getScheduleRule = async (depcode: string) => {
    const result = await hosScheduleRuleRequest({
      page: page,
      limit: limit,
      hoscode: hoscode as string,
      depcode: depcode,
    });
    setScheduleRule(result.bookingScheduleList);
    setTotal(result.total);
    return result;
  };

  //3.定义一个请求排班详情的函数
  const getFindScheduleList = async (workDate: string, depCode: string) => {
    const result = await findScheduleListRequest({
      hoscode: hoscode as string,
      depcode: depCode,
      workDate: workDate,
    });
    setSourceData(result);
  };

  //初始化请求
  useEffect(() => {
    const getData = async () => {
      //1.请求科室列表 得到科室列表的数据
      const departmentList = await getDepartmentList();
      //2.根据科室数据获取初始的科室信息(默认第一个)
      const initDepCode = (departmentList[0].children as hosDepartmentListType)[0].depcode
      //3.把初始的科室信息传递给 请求排班列表的函数,得到排班列表
      const scheduleRule = await getScheduleRule(initDepCode)
      //4.根据排班列表,得到初始的排班列表的时间(默认第一个)
      const initWorkDate = scheduleRule.bookingScheduleList[0].workDate
      //5.根据排班列表的初始时间 请求 详细信息
      await getFindScheduleList(initDepCode,initWorkDate)
    };
    getData();
  }, []);

  const treeStyle = {
    border: "1px solid #000",
    height: "480px",
    overflow: "auto",
  };

  //1.点击tree的事件回调函数
  const treeSelectHandle = (depCodeArr: Key[]) => {
    // console.log(depCodeArr);
    // setDepCode(depCodeArr[0] as string)
  };

  //2.点击时间的事件回调函数
  const scheduleRuleHandle = (workData: string) => {
    return () => {
      // setWorkDate(workData)
    };
  };

  //tabel结构
  const columns = [
    {
      title: "序号",
      render(_: any, __: any, index: number) {
        return index + 1;
      },
    },
    {
      title: "职称",
      dataIndex: "title",
    },
    {
      title: "号源时间",
      dataIndex: "workDate",
    },
    {
      title: "可预约数",
      dataIndex: "reservedNumber",
    },
    {
      title: "挂号费用",
      dataIndex: "amount",
    },
    {
      title: "擅长技能",
      dataIndex: "skill",
    },
  ];
  return (
    <Card>
      <p>选择:北京协和医院/多发性硬化专科门诊/2022-04-08</p>
      <Row gutter={20}>
        <Col span={5}>
          <div style={{ marginBottom: "20px" }}>
            <Tree
              treeData={treeData as []}
              style={treeStyle}
              fieldNames={{ title: "depname", key: "depcode" }}
              onSelect={treeSelectHandle}
              // expandedKeys={["a4e171f4cf9b6816acdfb9ae62c414d7"]}
            />
          </div>
        </Col>
        <Col span={19}>
          <div style={{ marginBottom: "20px" }}>
            {scheduleRule.map((item) => {
              return (
                <Tag
                  key={item.workDate}
                  onClick={scheduleRuleHandle(item.workDate)}
                  style={{ cursor: "pointer" }}
                >
                  <p>{item.workDate}</p>
                  <p>
                    {item.availableNumber}/{item.reservedNumber}
                  </p>
                </Tag>
              );
            })}
          </div>
          <Pagination
            current={page}
            pageSize={limit}
            total={total}
            onChange={(page: number, limit: number) => {
              setPage(page);
              setLimit(limit);
            }}
          />
          <Table
            columns={columns}
            style={{ marginTop: "20px" }}
            dataSource={sourceData}
            rowKey={"id"}
            bordered
            pagination={false}
          />
          <Button
            onClick={() => {
              navigate(-1);
            }}
            style={{ marginTop: "30px" }}
          >
            返回
          </Button>
        </Col>
      </Row>
    </Card>
  );
}
